2 Asset Portfolio Calculator

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The following practice problem has been generated for you:
Asset 1 makes up 31% of a portfolio and has an expected return (mean) of 22% and volatility (standard deviation) of 8%.
Asset 2 makes up 69% of a portfolio has an expected return (mean) of 30% and volatility (standard deviation) of 7%.
With a covariance of 14%, calculate the expected return, variance, and standard deviation of the portfolio